Added to vendor.yml dependencies related to automake and autoconf

    Added to vendor.yml the following dependencies related to automake and autoconf:
    - (^|/)configure
    - (^|/)configure.ac
    - (^|/)config.guess
    - (^|/)config.sub
    
    Before changing:
```
    [herbert@vps11071 linguist]$ bundle exec linguist ../atmi++/
    75%  Shell
    15%  C++
    10%  C
    0%   Perl
```
    After changing:
```
    54%  C++
    37%  C
    9%   Shell
    0%   Perl
```